发现了炭化物中存在着纳米碳管、洋葱状富勒烯结构及金刚石晶格结构。
Nanophase carbon tube, onion-like graphitic particles and diamond structure are first found in wood charcoal of Chinese Fir.
在高温高压下，六方晶格的石墨转变为立方晶格的金刚石。
Under the high temperature and high pressure, the hexagonal graphite crystals can change into the tetragonal diamond crystals.
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